concealment device
Hidden compartment
Rudolf Abel
https://source.unsplash.com/featured/?concealment-device#.png
/suto3/google.iconconcealment device
/suto3/Google画像検索.iconconcealment device
/suto3/Google定義検索.icon concealment device
/suto3/wikipedia.iconconcealment device
/suto3/weblio.icon concealment device
/suto3/kotobank.icon concealment device
/suto3/jisho.icon concealment device